Triumph Rocket III
142 hp, 2294 cc, 772 lbs2004 - 2014
Triumph Street Triple R
108 hp, 675 cc, 417 lbs2009 - 2012
EngineTriumph Rocket IIITriumph Street Triple R
Displacement2294 cc675 cc
Max power142 hp (@5 750 RPM)108 hp (@11 700 RPM)
Max torque147 lb ft (@2 500 RPM)50 lb ft (@9 200 RPM)
Redline6 500 RPM13 000 RPM
Idling speed800 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-3DOHC Inline-3
Compression8.70:112.65:1
Oil capacity5.58 quart2.84 quart
Oil type10W40, Motul 5100, Shell Rotella 10W4010W50, Motul 300V 10W40, Liqui Moly 10W50
Spark plug typeNGK DPR8EA-9NGK CR9EK, NGK CR9EIX
CoolingLiquidLiquid
Valves1212
Bore101.6 mm74.0 mm
Stroke94.3 mm52.3 mm
Weight to power5.43 lbs/hp3.86 lbs/hp
Power to weight460 hp/2500lbs647 hp/2500lbs
Battery typeYTX9-BS, 12V 8Ah
GearboxTriumph Rocket IIITriumph Street Triple R
TypeSequentialSequential
ClutchWetWet
DriveShaftChain
Chain typeRK O-Ring 525 116 links
Gears count56
Primary ratio1.0341.848
Final drive2.8462.937
1. gear2.929 (57 mph)2.615 (68 mph)
2. gear1.947 (86 mph)1.857 (95 mph)
3. gear1.435 (117 mph)1.565 (113 mph)
4. gear1.16 (144 mph)1.35 (131 mph)
5. gear0.964 (173 mph)1.238 (143 mph)
6. gear1.136 (155 mph)
ChasisTriumph Rocket IIITriumph Street Triple R
Frame typeTubular steel twin spineTwin-spar aluminium
Front susp.43mm upside down forks (4.72 in travel)USD fork,
Rear susp.Chromed spring twin shocksMonoshock
Dyno chart of 2012 Triumph Street Triple R